Quiz about Function notation

Question 1

What is the domain?

Accepted Answer

(-2, 3]

Answer

[-2, 3]

Answer

[-2, 3)

Answer

(-2, 3)

Question 2

Which of the following parent functions does not have a Domain of all Real numbers?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 3

What is the range?

Accepted Answer

{0, 4, 7}

Answer

{-3, -1, 2, 4}

Answer

{7, 4, 0}

Answer

{0, 4, 4, 7}

Question 4

What is the domain of the function? (using inequality notation)

$$s\left(t\right)=\frac{3}{\sqrt{3t-10}}$$

Accepted Answer

$$t>\frac{10}{3}$$

Answer

$$t\le\frac{10}{3}$$

Answer

$$t>4$$

Answer

all real numbers

Question 5

Suppose the sales of a particular brand of appliance are modeled by the linear function S(x) = 220x + 2700, where S(x) represents the number of sales in year x, with x = 0 corresponding to 1982. Find the number of sales in 1992

Accepted Answer

4900

Answer

9800

Answer

9580

Answer

4680

Question 6

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 7

Where does the Cubic function have a negative interval?

Accepted Answer

$$\left(-2,-1\right)\cup\left(1,\infty\right)$$

Answer

$$\left(-2,0\right)\cup\left(-1,0\right)\cup\left(1,0\right)$$

Answer

$$\left(-\infty,-2\right)\cup\left(-1,1\right)$$

Answer

$$\left(-2,-1\right)\cup\left(-\infty,1\right)$$

Question 8

Describe the domain of the function shown in the graph

Accepted Answer

$$All\ x\ such\ that\ \left(-\infty,\infty\right)$$

Answer

$$All\ y\ such\ that\ \left(-\infty,\ 4\right)$$

Answer

$$-\infty\ <\ y\ <\ \infty$$

Answer

$$-\infty\ \le x\le\infty$$

Question 9

Which of the following statement is TRUE?

Hint: this mapping diagram is a FUCTION

Accepted Answer

1, 11, 15 and 17 are domain values

Answer

2 and 34 are range values

Answer

(11, 2) and (17, 34) are ordered pairs

Answer

1, 11, 15 and 17 range values

Question 10

Which is an example of interval notation?

Accepted Answer

$$\left[0,\ \infty\right)$$

Answer

All real numbers

Answer

$$y\ \ge\ 0$$

Answer

$$0\ \le\ x\ <\infty$$

Question 11

Name the discontinuity at x=2.

Accepted Answer

Jump Discontinuity

Answer

Infinite Discontinuity

Answer

Removable Discontinuity

Answer

Continuous at x=2

Question 12

f(x) is the same thing as ______.

Accepted Answer

y

Answer

x

Answer

input

Answer

an equation

Question 13

f(x) is the same thing as ______.

Accepted Answer

y

Answer

x

Answer

input

Answer

an equation

Question 14

What is x if
f(x) = -2?

Accepted Answer

8

Answer

4

Answer

0

Answer

3

Question 15

Given h(x) = 5 - 9x, find h(8).

Accepted Answer

h(8) = -67

Answer

h(8) = -360

Question 16

What is f(1)?

Accepted Answer

5

Answer

1

Answer

0

Answer

4

Question 17

For the function f(x) = -3(x-1) find f(0).

Accepted Answer

3

Answer

0

Answer

-3

Answer

-1

Question 18

Evaluate f(-2) if f(x) = x + 3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 19

Evaluate f(-2) if f(x) = x²+ 3

Accepted Answer

7

Answer

-1

Answer

1

Answer

-7

Question 20

What is x if
f(x) = -2?

Accepted Answer

8

Answer

4

Answer

0

Answer

3

Question 21

Let w(x) = 3x - 7. If w(x) = 14, find x.

Accepted Answer

7

Answer

35

Answer

2.33333

Answer

-49

Question 22

If f(x) = x - 5, what is the value of x when f(x) = 15?

Accepted Answer

20

Answer

10

Answer

5

Answer

0

Function notation

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